JPS6450155A - Microcomputer - Google Patents

Microcomputer

Info

Publication number
JPS6450155A
JPS6450155A JP20746987A JP20746987A JPS6450155A JP S6450155 A JPS6450155 A JP S6450155A JP 20746987 A JP20746987 A JP 20746987A JP 20746987 A JP20746987 A JP 20746987A JP S6450155 A JPS6450155 A JP S6450155A
Authority
JP
Japan
Prior art keywords
dma transfer
bits
register
address
bus
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP20746987A
Other languages
English (en)
Inventor
Miyako Takahashi
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
NEC Corp
Original Assignee
NEC Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by NEC Corp filed Critical NEC Corp
Priority to JP20746987A priority Critical patent/JPS6450155A/ja
Publication of JPS6450155A publication Critical patent/JPS6450155A/ja
Pending legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F13/00—Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
    • G06F13/14—Handling requests for interconnection or transfer
    • G06F13/20—Handling requests for interconnection or transfer for access to input/output bus
    • G06F13/28—Handling requests for interconnection or transfer for access to input/output bus using burst mode transfer, e.g. direct memory access DMA, cycle steal

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Bus Control (AREA)
JP20746987A 1987-08-20 1987-08-20 Microcomputer Pending JPS6450155A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP20746987A JPS6450155A (en) 1987-08-20 1987-08-20 Microcomputer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP20746987A JPS6450155A (en) 1987-08-20 1987-08-20 Microcomputer

Publications (1)

Publication Number Publication Date
JPS6450155A true JPS6450155A (en) 1989-02-27

Family

ID=16540280

Family Applications (1)

Application Number Title Priority Date Filing Date
JP20746987A Pending JPS6450155A (en) 1987-08-20 1987-08-20 Microcomputer

Country Status (1)

Country Link
JP (1) JPS6450155A (ja)

Similar Documents

Publication Publication Date Title
JPS5455132A (en) Input-output control system
JPS54122043A (en) Electronic computer
JPS6450155A (en) Microcomputer
JPS5696350A (en) Memory extension system
JPS6431252A (en) Data bus width transformer
JPS6429708A (en) Data sampling system
JPS5636744A (en) Microcomputer unit
JPS56114026A (en) Data processor
JPS57139833A (en) Interruption controlling circuit
JPS6414655A (en) Data transfer device
JPS5654509A (en) Sequence controller
JPS57199052A (en) Data processing device
JPS56168254A (en) Advance control system for input/output control unit
JPS55105884A (en) Address conversion device
JPS6428736A (en) Data error processing system for processing unit of common bus system
JPS6454552A (en) Data transfer system
JPS6436326A (en) Printer control circuit
JPS6441951A (en) Dma controller
JPS57178551A (en) Electronic computer
JPS5576422A (en) Terminal unit
JPS5621264A (en) Multiplex external memory unit
KR920013130A (ko) 데이타 버퍼램을 이용한 입출력 처리기
JPS5760423A (en) Data transfer system
KR880006586A (ko) 프로그램어블 콘트롤러의 아날로그 입출력 모듈
JPS56162165A (en) Data transfer system